101ⅹ695 +695-2ⅹ695用简便方法怎样计算?101×695 +695-2×695=(101+1-2)×695=100×695=69500
101×695+695-2×695=695×(101+1-2)=695×100=69500
101x695+695-2x695=(101+1-2)x695=100x695=69500
101ⅹ695 +695-2ⅹ695=(101+1-2)x695=100x695=69500